19937522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{1493}}^1$

素因数の和:2113

約数の個数: 16

約数和(自身を含む): 32700672

約数和(自身を除く): 12763150

約数列:

[1, 2, 11, 22, 607, 1214, 1493, 2986, 6677, 13354, 16423, 32846, 906251, 1812502, 9968761, 19937522]

約数ペア:

[(1, 19937522), (2, 9968761), (11, 1812502), (22, 906251), (607, 32846), (1214, 16423), (1493, 13354), (2986, 6677)]